r1 = {"name":"zhangsan","age":18}
print(r1)
r2 = {"name":"lisi","age":19}
print(r2)
r3 = {"name":"wangwu","age":20}
print(r3)

tb = [r1,r2,r3]
print(tb)

print(type( tb))
print(type(tb[0]))

for i in range(len(tb)):
    print(i)



